We examine Iran’s hardening rhetoric as protests turn deadly, with at least 544 people killed as the country enters a third week of unrest. Plus: we question whether the world is entering a renaissance of protectionism and why Rio has a beach problem.

Will Russian interference derail Europe’s future elections?
37:24

Has the US found a way to beat Iran at its own game?
36:31

Putin the puppeteer and, the art of being helpful
35:07